陇南盛产红芪，其根为珍贵的中药材，每年都有大量的红芪根加工后的柴头和碎皮屑细土混合物（简称“红芪废屑”）被废弃，既浪费，又污染。陇南地区栽培平菇一般以杂木屑和农作物秸杆为主，但近几年来，对林木过度砍伐，导致环境恶化，为了保护生态平衡，当地采取严密的封山育 Longnan rich Radix, the root of precious Chinese herbal medicines, each year a large number of processing roots of Artemisia gizzard and breccia mixture (referred to as “Red Astragalus waste”) was discarded, both waste and pollution . Longnan cultivation of mushrooms generally miscellaneous sawdust and crop straw-based, but in recent years, the excessive felling of trees, leading to environmental degradation, in order to protect the ecological balance, the local take close seal Hill breeding